Author: manu
Date: Tue May 19 08:44:33 2020
New Revision: 361246
URL: https://svnweb.freebsd.org/changeset/base/361246

Log:
  linuxkpi: add pci_dev_present
  
  pci_dev_present shows if a set of pci ids are present in the system.
  It just wraps pci_find_device.
  Needed by DRMv5.2
  
  Submitted by: Austing Shafer (asha...@badland.io)
  Differential Revision:        https://reviews.freebsd.org/D24796

Modified:
  head/sys/compat/linuxkpi/common/include/linux/pci.h

Modified: head/sys/compat/linuxkpi/common/include/linux/pci.h
==============================================================================
--- head/sys/compat/linuxkpi/common/include/linux/pci.h Tue May 19 08:43:17 
2020        (r361245)
+++ head/sys/compat/linuxkpi/common/include/linux/pci.h Tue May 19 08:44:33 
2020        (r361246)
@@ -1050,4 +1050,16 @@ extern int linux_pci_attach_device(device_t, struct pc
     const struct pci_device_id *, struct pci_dev *);
 extern int linux_pci_detach_device(struct pci_dev *);
 
+static inline int
+pci_dev_present(const struct pci_device_id *cur)
+{
+       while (cur != NULL && (cur->vendor || cur->device)) {
+               if (pci_find_device(cur->vendor, cur->device) != NULL) {
+                       return (1);
+               }
+               cur++;
+       }
+       return (0);
+}
+
 #endif /* _LINUX_PCI_H_ */
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